Volume 5, Issue 2 (2009) | Journal of Mathematics and Statistics

RETRACTED: On Algebra and Tachyons

M. Sivasubramanian — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.88.89

At the request of the Editor-in-Chief, the Journal of Mathematics and Statistics has decided to retract the manuscript titled "On Algebra and Tachyons" authored by M. Sivasubramanian and S. Kalimuthu,...

RETRACTED: Application of Sivasubramanian Kalimuthu Hypothesis to Triangles

M. Sivasubramanian — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.90.92

At the request of the Editor-in-Chief, the Journal of Mathematics and Statistics has decided to retract the manuscript titled "Application of Sivasubramanian Kalimuthu Hypothesis to Triangles" authore...

Efficiency of Differential Transformation Method for Genesio System

Jafar Husni Ahmad — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.93.96

Problem statement: In this study, a continuous solution for Genesio system was considered using Differential Transformation Method (DTM). Approach: Numerical results were compared to those obtained by...

Two-Step Robust Diagnostic Method for Identification of Multiple High Leverage Points

Arezoo Bagheri — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.97.106

Problem statement: High leverage points are extreme outliers in the X-direction. In regression analysis, the detection of these leverage points becomes important due to their arbitrary large effects o...

A Rigorous Proof for the Invariant Study of the Problem in Section VI in "Matched Subspace Detectors"

Fangyuan Nan — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.107.111

Problem statement: This research provided rigorous proof for the invariant study of the problem in section VI in "matched subspace detectors". About 14 years ago an important research entitled "matche...

Stochastic Behavior of Redundant Complex System with Two Types of Failure

G. S. Mokaddis — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.112.117

Problem statement: This study presented the reliability and Mean Time To System Failure (MTTF) analysis of a two-state complex with repairable system, consisting of two sub-systems A and B arranged in...

Fractional Calculus for Certain Integral Operator Involving Logarithmic Coefficients

Aabed Mohammed — 2009-09-30

Journal of Mathematics and Statistics, Published online: 30 September 2009; doi:10.3844/jmssp.2009.118.122

Problem statement: Some properties of certain integral operators on some subclasses were studied. Approach: Certain classes defined by integral operators were introduced. The well known definitions an...

The Existence, Uniqueness and Error Bounds of Approximation Splines Interpolation for Solving Second-Order Initial Value Problems

Abbas Y. Al Bayati — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.123.129

Problem statement: The lacunary interpolation problem, which we had investigated in this study, consisted in finding the six degree spline S(x) of deficiency four, interpolating data given on the func...

On The Estimation of Survival Function and Parameter Exponential Life Time Distribution

Hadeel Salim Al-Kutubi — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.130.135

Problem statement: The study and research of survival or reliability or life time belong to the same area of study but they may belong to a different area of application. In survival analysis one can ...

On the Pseudo-Spectral Method of Solving Linear Ordinary Differential Equations

B. S. Ogundare — 2009-06-30

Journal of Mathematics and Statistics, Published online: 30 June 2009; doi:10.3844/jmssp.2009.136.140

Problem statement: Not all differential equations can be solved analytically, to overcome this problem, there is need to search for an accurate approximate solution. Approach: The objective of this st...